Scotch-block for stopping runaway railway or tramway vehicles.



A. H. STOGKHAUSBN & W. G. BRINKWOR'IH. SGOTGH BLOCK PoR sToPPING RUNAWAY RAILWAY 0R TRAMWAY VEHICLES. APPLICATION FILED MARS), 1913.

1 1 1 6', 1 53. Patented Nov. 3, 1914.

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, .MVM @M UNITED sTATEs PATENT oEEieE.

ARNOLD HENREH SITOCKHAUSEN, F EAST ADELAIDE, AND WILLIAM GEORGE BRINKWORTH, OF ADELAIDE, SOUTH AUSTRALIA, AUSTRALIA.

SCOTCH-BLOCK FOR lSTOIIl'EI1\Tl':l RUNAWAY RAILWAY OR TRAMWAY VEHICLES.

To ZZ w71 om it may concern Be it known that we, ARNOLD HENREH S'rociiiiaUsEN, engineer, and WILLIAM Geenen BiuNKwouTH, engineer, subjects of the King of Great Britain and Ireland, and residents, respectively, of River street, East Adelaide, State of South Australia, Commonwealth of Australia, and of 22 Halifax street, Adelaide, State of South Australia aforesaid, have invented a certain new and useful Improved Scotch-Block for St ping Runaway Railway or Tramway ehicles, of which the following is a specification.

This invention relates to an improved scotch-block device for use upon railways and tramways for the purpose of stopping runaway Vehicles.

The block consists of a bed and a projection rigidly fastened together or formed of the one piece and having upon one side a spring catch engaging a rocker pivoted to the track and connected to a suitable operating lever. The rocker is operated and the block set upon the rail or removed theref from either by a lever alongside the track or it may be operated by a lever and rods from a convenient cabin.

In order that our invention may be clearly understood we will describe the same with reference to the accompanying drawings in which Figure l is a plan view. Fig. 2 is an end view showing the alternative positions of the block and rocker. Figs. 3 and Il are views from between the rails showing the block only with the jaw open and closed respecand G are views to a larger scale showing sections on line a Z) of Fig. 3 and (f l of Fig. l respectively showing the block with the jaw open and closed respec tively.

The block consists of a bed A and an upward projection B rigidly fastened together or formed of the one piece. The bed A is made of somewhat angular cross section, one face lying upon and along the top of the rail and the other face lying along the inside face of the rail so that the wheel of the vehicle can mount and ride thereon. The face of the bed is provided with a renewable friction strip A1 of cast iron, and the end of the bed is tapered off to facilitate the mounting of the wheel. The projection B rises from Specification of Letters Patent.

Application tiled March 31, 1913.

Patented Nov. 3, 1914.

Serial No. 757,841.

the bed and is shaped to engage and hold the wheel when it has mounted on to the bed.

Upon the side of the block is a catch formed of a lower fixed member C projecting from the block and an upper movable mern ber D held in a slot extending through the block. The lower member G has an upwardly projecting flange C1, and the upper member D has a corresponding downwardly projecting flange D1 and an upwardly projecting ange D2 upon its outside end. Above the upper member D is a spring E housed in the block which tends to close the upper member D upon the lower member C.

Upon the side of the bed A is pivoted a trigger lever H so placed as to be operated to lift the upper member D and open the catch when the wheel rides uponthe bed.

The rocker K is pivoted to suitable supports between the rails and has upon one end a head K1 adapted to be engaged by the spring catch above described. The locker is connected by a rod L to a bell crank M and thence to a lever alongside the track or in a signal cabin. The head K1 of the rocker is normally engaged vby the spring catch so that by operating the rocker through its lever and connections the block may be placed in position upon the rail as shown in full lines in Fig. 2 to catch a vehicle or removed therefrom as shown in dotted lines in the same ligure to permit the free aussage Vof trains. Should a vehicle come a ong when the block is in place upon the rail the wheel mounts upon the bed A and strikes the projection B; atthe same time its flange strikes and depresses the trigger lever H of the spring catch thereby opening and freeing the catch from the head Kl of the rocker K, see Figs. 4 and (l, so that the wheel rides upon and pushes the block along the rail until its momentum is overcome.

Blocks comprising a bed A and -a projection B may be kept at stations or elsewhere for emergencies or may be carried in a van for use in shunting operations.

Having now fully described and ascertained our said invention and the manner in which it is to be performed we declare that what we claim is 1. In a device of the character described, a block, means for applying the block to a railway rail and removing it therefrom,and means whereby the block when applied and engaged by e vehicle' Wheel Will be disengagged from the operating Ineens.

2. A block comprising a, bed and en upward projection rigidly fastened together and having.; upon one side e spring catch adapted to engage :1 rocker pivotecl to the track und connected to a suitable operating lever'a 3. block comprising a bed end en np- Warcl projection riviclly fastened together and having upon one side a spring @atcb and e trigger adapted when struck by the vehicle Wheel to open such catch, in combination with a, rocker pivoted to the track and having e, bead adapted to be engaged by the said catch and `Connected by suit-able connections to an operative lever whereby the rocker may ber rocked and the block placed upon the rail or removed therefroma el. A bleek comprising a bed and an up- Werd projection rigidly fastened together and having upon one sible e catch formed of lower and upper members with e. spring tending to Close said members together and with a trigger lever adapted to be operated by the Wheel of the vehicle for opening said members, in combination with a rocker pivotecl to the track and havingY a heed adapted to be engaged by the seieleeteh and oonneetecl by suitable connections such es a rod and bell crank to an operative lever whereby the rocker may be rocked and the block placed upon the rail or removed therefrom.

ln testimony that v/e Claim the foregoing as our invention We bave signed our naines in the presence of two subscribing witnesses this 8th dey of February 1913..

ARNOLD HENREH STCKHAUSEL. WlLLIAvl GEORGE BRlNllWRTH. "Witnesses ARTHUR Gom; CoLLIsoN, LESLIE HERBERT :BROADBEWTa 

